aosp12/external/webrtc/test/scenario/column_printer.cc

74 lines
2.2 KiB
C++

/*
* Copyright 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "test/scenario/column_printer.h"
namespace webrtc {
namespace test {
ColumnPrinter::ColumnPrinter(const ColumnPrinter&) = default;
ColumnPrinter::~ColumnPrinter() = default;
ColumnPrinter::ColumnPrinter(
const char* headers,
std::function<void(rtc::SimpleStringBuilder&)> printer,
size_t max_length)
: headers_(headers), printer_(printer), max_length_(max_length) {}
ColumnPrinter ColumnPrinter::Fixed(const char* headers, std::string fields) {
return ColumnPrinter(
headers, [fields](rtc::SimpleStringBuilder& sb) { sb << fields; },
fields.size());
}
ColumnPrinter ColumnPrinter::Lambda(
const char* headers,
std::function<void(rtc::SimpleStringBuilder&)> printer,
size_t max_length) {
return ColumnPrinter(headers, printer, max_length);
}
StatesPrinter::StatesPrinter(std::unique_ptr<RtcEventLogOutput> writer,
std::vector<ColumnPrinter> printers)
: writer_(std::move(writer)), printers_(printers) {
RTC_CHECK(!printers_.empty());
for (auto& printer : printers_)
buffer_size_ += printer.max_length_ + 1;
buffer_.resize(buffer_size_);
}
StatesPrinter::~StatesPrinter() = default;
void StatesPrinter::PrintHeaders() {
if (!writer_)
return;
writer_->Write(printers_[0].headers_);
for (size_t i = 1; i < printers_.size(); ++i) {
writer_->Write(" ");
writer_->Write(printers_[i].headers_);
}
writer_->Write("\n");
}
void StatesPrinter::PrintRow() {
// Note that this is run for null output to preserve side effects, this allows
// setting break points etc.
rtc::SimpleStringBuilder sb(buffer_);
printers_[0].printer_(sb);
for (size_t i = 1; i < printers_.size(); ++i) {
sb << ' ';
printers_[i].printer_(sb);
}
sb << "\n";
if (writer_)
writer_->Write(std::string(sb.str(), sb.size()));
}
} // namespace test
} // namespace webrtc